#ifndef _SceneParser_H_
#define _SceneParser_H_
#include "vectors.h"
class Camera;
class Light;
class Object3D;
class Group;
class Sphere;
class Plane;
class Triangle;
class Transform;
//class Box;
#define MAX_PARSER_TOKEN_LENGTH 100
// ====================================================================
// ====================================================================
class SceneParser {
public:
// CONSTRUCTORS, DESTRUCTOR & INITIALIZE
SceneParser();
SceneParser(const char *filename);
~SceneParser();
// ACCESSORS
Camera* getCamera() { return camera; }
Vec3f getBackgroundColor() { return background_color; }
Vec3f getAmbientLight() { return ambient_light; }
int getNumLights() { return num_lights; }
Light* getLight(int i) {
assert(i >= 0 && i < num_lights);
return lights[i]; }
Group* getGroup() { return group; }
private:
// HELPER FUNCTIONS
void initialize();
int getToken(char token[MAX_PARSER_TOKEN_LENGTH]);
Vec3f readVec3f();
float readFloat();
int readInt();
// PARSING
void parseFile();
void parseOrthographicCamera();
void parsePerspectiveCamera();
void parseBackground();
void parseLights();
void parseMaterial();
Object3D* parseObject(char token[MAX_PARSER_TOKEN_LENGTH]);
Group* parseGroup();
Sphere* parseSphere();
Plane* parsePlane();
Triangle* parseTriangle();
Transform* parseTransform();
//Box* parseBox();
Group* parseTriangleMesh();
// REPRESENTATION
Group *group;
Camera *camera;
Vec3f background_color;
Vec3f ambient_light;
Vec3f current_object_color;
FILE *file;
Light **lights;
int num_lights;
};
// ====================================================================
// ====================================================================
#endif